From 555cfc6af07779e89c189e2e732cf99b5ced8220 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Mon, 6 May 2024 08:23:26 +0200
Subject: add url to DuCharme reference

---
 ref.bib | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ref.bib b/ref.bib
index c072d70..277159a 100644
--- a/ref.bib
+++ b/ref.bib
@@ -74,6 +74,8 @@
   subtitle =     "querying and updating with {SPARQL} 1.1",
   edition =      "2",
   date =         "2013-08-13",
+  URL =          "https://www.learningsparql.com/",
+  urldate =      "2024-05-06",
 }
 
 @Book{Ebersbach_2006,
-- 
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